Home / 45,118.40-67,636.32-17,395.52

Finding the Fourth Proportional to 45,118.40, 67,636.32 and 17,395.52

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Solution

The fourth proportional to 45,118.40, 67,636.32 and 17,395.52 is: 26,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,118.40 : 67,636.32 = 17,395.52 : x
  2. Step 2: Convert to fraction form
    45,118.40/67,636.32 = 17,395.52/x
  3. Step 3: Cross multiply
    45,118.40x = 67,636.32 × 17,395.52
  4. Step 4: Simplify right side
    45,118.40x = 1,176,568,957.29
  5. Step 5: Solve for x
    x = 1,176,568,957.29/45,118.40
  6. Step 6: Final answer
    x = 26,077.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.